166327227 has 24 divisors (see below), whose sum is σ = 265794048. Its totient is φ = 99380400.

The previous prime is 166327223. The next prime is 166327243. The reversal of 166327227 is 722723661.

It is a happy number.

166327227 is a `hidden beast` number, since 16 + 632 + 7 + 2 + 2 + 7 = 666.

It is not a de Polignac number, because 166327227 - 2² = 166327223 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 166327191 and 166327200.

It is not an unprimeable number, because it can be changed into a prime (166327223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4803 + ... + 18860.

It is an arithmetic number, because the mean of its divisors is an integer number (11074752).

Almost surely, 2^166327227 is an apocalyptic number.

166327227 is a deficient number, since it is larger than the sum of its proper divisors (99466821).

166327227 is a wasteful number, since it uses less digits than its factorization.

166327227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23751 (or 23748 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 166327227 is about 12896.7913451370. The cubic root of 166327227 is about 549.9473525364.

The spelling of 166327227 in words is "one hundred sixty-six million, three hundred twenty-seven thousand, two hundred twenty-seven".